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Finding the Fourth Proportional to 8,924, 13,386 and 2,768

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Solution

The fourth proportional to 8,924, 13,386 and 2,768 is: 4,152

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924 : 13,386 = 2,768 : x
  2. Step 2: Convert to fraction form
    8,924/13,386 = 2,768/x
  3. Step 3: Cross multiply
    8,924x = 13,386 × 2,768
  4. Step 4: Simplify right side
    8,924x = 37,052,448
  5. Step 5: Solve for x
    x = 37,052,448/8,924
  6. Step 6: Final answer
    x = 4,152

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.